Final answer:
The books mentioned do not specify the exact number of pieces of furniture.
Step-by-step explanation:
Based on the information provided, the books mentioned do not specifically state the exact number of pieces of furniture. However, different texts and sources referenced in the question give information about furniture in various contexts, such as ancient wood furniture found in burial caves, furniture in specific rooms, and furniture from different time periods. It is important to note that the question does not give specific details or context about which book is being referred to, so it is not possible to provide a definitive answer regarding the number of pieces of furniture.